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What is a primary benefit of xeriscaping in stormwater management?

  1. Increases hard surface areas

  2. Improves biodiversity

  3. Reduces water usage

  4. Enhances aesthetic quality

The correct answer is: Reduces water usage

Xeriscaping primarily focuses on designing landscapes that require minimal irrigation, making it highly effective for water conservation. By utilizing drought-resistant plants and incorporating efficient landscaping techniques, xeriscaping significantly reduces the amount of water needed for maintenance. This reduction in water usage not only conserves resources but also decreases the demand on stormwater systems during dry periods, which is crucial for effective stormwater management. Other benefits of xeriscaping, such as improving biodiversity and enhancing aesthetic quality, are noteworthy but are secondary compared to the primary objective of water reduction. While these aspects certainly contribute to the overall effectiveness of a landscape, they do not directly relate to the core purpose of xeriscaping in the context of stormwater management.